Alexandrakollontai, sent off at 20/1, struck in the Bet toteplacepot Text tote to 89660 Nursery under Julie Burke for Hawick trainer Alistair Whillans
"This was just this the second time she's raced for us since we claimed her at Wolverhampton in August," Whillans said.
"This was a surprise as we nearly withdrew her because of the testing conditions."
Gregorian gave those that took the 1/7 a fright before seeing off Atlantic Sport by three-quarters of a length in the Bet totequadpot Text tote to 89660 EBF Conditions Stakes.
Winning jockey William Buick said: "He has had a busy season and run some really good races. No horse likes ground as soft as it is out there so all credit to him for winning."
Heroic Endeavour, well backed into 7/1, supplied Jessica Harrington with a first Hamilton Park winner in the totepool Mobile Text Tote To 89660 Handicap with Robert Winston deputising for sidelined Joe Fanning. The gelding is set to join David Barron as connections feel there will be more opportunities for him on this side of the Irish Sea.
Coolminx and Spinatrix, two horses that ran at Ayr 24 hurs earlier, fought out the finish of the totepool EBF Flower of Scotland Fillies Handicap. In the end the former, fifth in Saturday's Bronze Cup and ridden by Tony Hamilton, got the verdict by a length and a quarter.